31507470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 96

約数和(自身を含む): 88418304

約数和(自身を除く): 56910834

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 31, 45, 46, 62, 69, 90, 93, 115, 138, 155, 186, 207, 230, 279, 310, 345, 414, 465, 491, 558, 690, 713, 930, 982, 1035, 1395, 1426, 1473, 2070, 2139, 2455, 2790, 2946, 3565, 4278, 4419, 4910, 6417, 7130, 7365, 8838, 10695, 11293, 12834, 14730, 15221, 21390, 22095, 22586, 30442, 32085, 33879, 44190, 45663, 56465, 64170, 67758, 76105, 91326, 101637, 112930, 136989, 152210, 169395, 203274, 228315, 273978, 338790, 350083, 456630, 508185, 684945, 700166, 1016370, 1050249, 1369890, 1750415, 2100498, 3150747, 3500830, 5251245, 6301494, 10502490, 15753735, 31507470]

約数ペア:

[(1, 31507470), (2, 15753735), (3, 10502490), (5, 6301494), (6, 5251245), (9, 3500830), (10, 3150747), (15, 2100498), (18, 1750415), (23, 1369890), (30, 1050249), (31, 1016370), (45, 700166), (46, 684945), (62, 508185), (69, 456630), (90, 350083), (93, 338790), (115, 273978), (138, 228315), (155, 203274), (186, 169395), (207, 152210), (230, 136989), (279, 112930), (310, 101637), (345, 91326), (414, 76105), (465, 67758), (491, 64170), (558, 56465), (690, 45663), (713, 44190), (930, 33879), (982, 32085), (1035, 30442), (1395, 22586), (1426, 22095), (1473, 21390), (2070, 15221), (2139, 14730), (2455, 12834), (2790, 11293), (2946, 10695), (3565, 8838), (4278, 7365), (4419, 7130), (4910, 6417)]